Multi gpu display

[zhoucm1]

On 2017年07月04日 13:43, zhoucm1 wrote:
>
>
> On 2017年07月04日 13:34, Alex Deucher wrote:
>> On Tue, Jul 4, 2017 at 1:22 AM, zhoucm1 <david1.zhou at amd.com> wrote:
>>>
>>> On 2017年07月04日 11:41, Alex Deucher wrote:
>>>> On Mon, Jul 3, 2017 at 4:32 AM, zhoucm1 <david1.zhou at amd.com> wrote:
>>>>> Hi xorg-devel guys,
>>>>>
>>>>> Anyone can help me?
>>>>>
>>>>> I tried two gpu card with four monitors on Unbuntu 16.04, each gpu 
>>>>> has
>>>>> two
>>>>> monitors.
>>>>> By default config, I can see four monitors all are lighting with its
>>>>> separate desktop instance, and the running application with small 
>>>>> window
>>>>> can
>>>>> be spanning all monitors, but if application only can be run on 
>>>>> one of
>>>>> monitros with fullscreen setting. I attached Xorg log and xrandr 
>>>>> output
>>>>> info.
>>>>>
>>>>> How should I configure if I want to all monitors as a big desktop 
>>>>> or the
>>>>> full screen application can run on all monitors? or How should I
>>>>> do/change?
>>>> You'd need to configure it in the window manager.  Most window
>>>> managers use the geometry info advertised via randr to define what is
>>>> considered full screen.  You need to tell it to ignore that and just
>>>> use the full surface size.  How to do that varies from window manager
>>>> to window manager.
>>> Thanks Alex for input.
>>> I'm using ubuntu16.04, which window manager should be compiz, how to 
>>> tell it
>>> to ignore that and just use the full surface size.
>> https://askubuntu.com/questions/73573/how-to-maximise-a-window-across-two-monitors 
>>
Could you also tell me how to set it for Redhat7.3?

Thanks,
David Zhou
> That's great, it solves my problem, otherwise I'm going to add an 
> extention for xinerama.
>
> Thanks a lot.
> David Zhou
>> Also, looks like wmctrl works as well.
>>
>> Alex
>>
>>> Regards,
>>> David Zhou
>>>>
>>>> Alex
>>>
>